Question 1

From top to bottom the soil horizons in typical soil are:

Accepted Answer

A)  B,O,A,C 
B)  C,A,B,O 
C)  O,A,B,C 
D)  A,B,C,D 
E)  D,C,A,O 
A)  B,O,A,C 
B)  C,A,B,O 
C)  O,A,B,C 
D)  A,B,C,D 
E)  D,C,A,O C

Question 2

Oxygen solubility in freshwater lakes is affected by:

Accepted Answer

A)  Elevation and solutes 
B)  Solutes and pH 
C)  pH and elevation 
D)  Salinity and elevation 
E)  pH and salinity 
A)  Elevation and solutes 
B)  Solutes and pH 
C)  pH and elevation 
D)  Salinity and elevation 
E)  pH and salinity A

Question 3

Which of the following is not a carnivorous plant?

Accepted Answer

A)  Sundew 
B)  Pitcher plant 
C)  Salt marsh cordgrass 
D)  Venus fly trap 
E)  Drosera 
A)  Sundew 
B)  Pitcher plant 
C)  Salt marsh cordgrass 
D)  Venus fly trap 
E)  Drosera C

Question 4

The euphotic zone is the zone where light is sufficient to allow photosynthesis to exceed respiration.

Accepted Answer

A) True 
 B)False

Question 5

To be useful to plants soil nitrogen must usually occur as:

Accepted Answer

A)  N2 and NH3 
B)  NH3 and NO3- 
C)  NO3- and N2 
D)  N2 and NO2 
E)  NO2 and NO3- 
A)  N2 and NH3 
B)  NH3 and NO3- 
C)  NO3- and N2 
D)  N2 and NO2 
E)  NO2 and NO3-

Question 6

The older the soil, the ore the nutrients.

Accepted Answer

A) True 
 B)False

Question 7

The restoration of polluted areas using living things is known as:

Accepted Answer

A)  Bioremediation 
B)  Phytoremediation 
C)  Hyperaccumulation 
D)  Hypoaccumulation 
E)  Biophosphorolation 
A)  Bioremediation 
B)  Phytoremediation 
C)  Hyperaccumulation 
D)  Hypoaccumulation 
E)  Biophosphorolation

Question 8

Clay soils have a large cation exchange capacity and can store large amounts of:

Accepted Answer

A)  chloride. 
B)  phosphate. 
C)  potassium. 
D)  nitrate. 
E)  oxide. 
A)  chloride. 
B)  phosphate. 
C)  potassium. 
D)  nitrate. 
E)  oxide.

Question 9

Diving organisms often have lower numbers of red blood cells.

Accepted Answer

A) True 
 B)False

Question 10

Which adaptations do llamas possess to enable them to live at higher elevation?

Accepted Answer

A)  Smaller hearts 
B)  Bigger lungs 
C)  Lower numbers of red blood cells per unit volume of blood 
D)  Both a and b 
E)  Both b and c 
A)  Smaller hearts 
B)  Bigger lungs 
C)  Lower numbers of red blood cells per unit volume of blood 
D)  Both a and b 
E)  Both b and c

Question 11

How many amino acids exist in the bodies of all animals?

Accepted Answer

A)  8 
B)  10 
C)  12 
D)  20 
E)  25 
A)  8 
B)  10 
C)  12 
D)  20 
E)  25

Question 12

The potential fertility of a soil depends on its cation exchange capacity.

Accepted Answer

A) True 
 B)False

Question 13

Cyanobacteria accomplish nitrogen fixation in special thick walled cells known as:

Accepted Answer

A)  Akinetes 
B)  Endospores 
C)  Heterocysts 
D)  Nodules 
E)  Nitrogenase 
A)  Akinetes 
B)  Endospores 
C)  Heterocysts 
D)  Nodules 
E)  Nitrogenase

Question 14

The large carbon mass of plants and animals is supplied by:

Accepted Answer

A)  Soil 
B)  Freshwater 
C)  Air 
D)  Lightning strikes 
E)  Saltwater 
A)  Soil 
B)  Freshwater 
C)  Air 
D)  Lightning strikes 
E)  Saltwater

Question 15

The most common nutrients in soil are?

Accepted Answer

A)  oxygen and silicon. 
B)  silicon and aluminum. 
C)  aluminum and iron 
D)  iron and carbon. 
E)  carbon and oxygen. 
A)  oxygen and silicon. 
B)  silicon and aluminum. 
C)  aluminum and iron 
D)  iron and carbon. 
E)  carbon and oxygen.

Question 16

In addition to hydrogen, carbon and oxygen, the elements required in the greatest amount by most living things are:

Accepted Answer

A)  Potassium, nitrogen, and sulfur 
B)  Sulfur, potassium, and calcium 
C)  Calcium, magnesium, and iron 
D)  Iron, sodium, and chlorine 
E)  Nitrogen, phosphorus, and potassium 
A)  Potassium, nitrogen, and sulfur 
B)  Sulfur, potassium, and calcium 
C)  Calcium, magnesium, and iron 
D)  Iron, sodium, and chlorine 
E)  Nitrogen, phosphorus, and potassium

Question 17

In most aquatic environments, light will not penetrate further than which depth? Pick the minimum.

Accepted Answer

A)  10m 
B)  50m 
C)  100m 
D)  500m 
E)  1000m 
A)  10m 
B)  50m 
C)  100m 
D)  500m 
E)  1000m

Question 18

In Australia, C4 plants are more common in southerly areas.

Accepted Answer

A) True 
 B)False

Question 19

Finely ground organic material in the soil is known as:

Accepted Answer

A)  Topsoil 
B)  Humus 
C)  The zone of eluviation 
D)  The zone of deposition 
E)  The C horizon 
A)  Topsoil 
B)  Humus 
C)  The zone of eluviation 
D)  The zone of deposition 
E)  The C horizon

Question 20

Species which require oxygen to live are known as:

Accepted Answer

A)  Obligate aerobes 
B)  Facultative aerobes 
C)  Obligate anaerobes 
D)  Facultative anaerobes 
A)  Obligate aerobes 
B)  Facultative aerobes 
C)  Obligate anaerobes 
D)  Facultative anaerobes

Exam 7: Nutrients

From top to bottom the soil horizons in typical soil are:

Oxygen solubility in freshwater lakes is affected by:

Which of the following is not a carnivorous plant?

The euphotic zone is the zone where light is sufficient to allow photosynthesis to exceed respiration.

To be useful to plants soil nitrogen must usually occur as:

The older the soil, the ore the nutrients.

The restoration of polluted areas using living things is known as:

Clay soils have a large cation exchange capacity and can store large amounts of:

Diving organisms often have lower numbers of red blood cells.

Which adaptations do llamas possess to enable them to live at higher elevation?

How many amino acids exist in the bodies of all animals?

The potential fertility of a soil depends on its cation exchange capacity.

Cyanobacteria accomplish nitrogen fixation in special thick walled cells known as:

The large carbon mass of plants and animals is supplied by:

The most common nutrients in soil are?

In addition to hydrogen, carbon and oxygen, the elements required in the greatest amount by most living things are:

In most aquatic environments, light will not penetrate further than which depth? Pick the minimum.

In Australia, C4 plants are more common in southerly areas.

Finely ground organic material in the soil is known as:

Species which require oxygen to live are known as:

An Introduction to Ecology

Population Genetics

Natural Selection, Speciation, and Extinction

Behavioral Ecology

Temperature

Water

Demographic Techniques and Population Patterns

Life Tables and Demography

Population Growth

Competition and Coexistence

Facilitation

Predation

Herbivory

Parasitism

Population Regulation

Species Diversity

Species Richness Patterns

Species Richness and Community Services

Succession

Island Biogeography

Terrestrial Biomes

Marine Biomes

Freshwater Biomes

Food Webs and Energy Flow

Biomass Production

Biogeochemical Cycles

Filters

In Australia, C₄ plants are more common in southerly areas.